package ut.filter;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.ServletException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
public class MemberFilter implements Filter{
	public void init(FilterConfig filterConfig){}
	public void destroy(){}
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException{
		HttpServletRequest httpReq = (HttpServletRequest)request;
		HttpServletResponse httpRes = (HttpServletResponse)response;
		if(httpReq.getSession().getAttribute("user") == null){
			httpRes.setHeader("redirect", "/");
		}else{
			chain.doFilter(request, response);
		}
	}
}